X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=pitch.h;h=3d1dd2e125b98cda6cc4c2ecfe150c54278258db;hb=fbfb0b3acfebeb22fae538588557f523ee539617;hp=4467aa86a825c239faa6842819c21d85b58fb1e6;hpb=54d2b1cb13bf52df22c93e58377a00b757644b94;p=scherzo

diff --git a/pitch.h b/pitch.h
index 4467aa8..3d1dd2e 100644
--- a/pitch.h
+++ b/pitch.h
@@ -60,6 +60,8 @@ typedef uint32_t pitch_t;
 #define PITCH_CLASS_LITERAL(literal_name, literal_accidental) \
     PITCH_LITERAL(literal_name, literal_accidental, 0)
 
+#define PITCH_NOT_A_PITCH ((pitch_t) -1)
+
 typedef enum pitch_accidental
 {
     PITCH_ACCIDENTAL_DOUBLE_FLAT,